/* Makefile for GNU Emacs.
   Copyright (C) 1985, 1987 Free Software Foundation, Inc.

This file is part of GNU Emacs.

GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY.  No author or distributor
accepts responsibility to anyone for the consequences of using it
or for whether it serves any particular purpose or works at all,
unless he says so in writing.  Refer to the GNU Emacs General Public
License for full details.

Everyone is granted permission to copy, modify and redistribute
GNU Emacs, but only under the conditions described in the
GNU Emacs General Public License.   A copy of this license is
supposed to have been given to you along with GNU Emacs so you
can know your rights and responsibilities.  It should be in a
file named COPYING.  Among other things, the copyright notice
and this notice must be preserved on all copies.  */


lispdir = ../lisp/
etcdir = ../etc/
shortnamesdir = ../shortnames/
cppdir = ../cpp/

#define NO_SHORTNAMES
#include "config.h"

/* Some machines don't find the standard C libraries in the usual place.  */
#ifndef LIB_STANDARD
#define LIB_STANDARD -lc
#endif

/* Unless inhibited or changed, use -lg to link for debugging.  */
#ifndef LIBS_DEBUG
#define LIBS_DEBUG -lg
#endif

/* Some s- files define this to request special libraries.  */
#ifndef LIBS_SYSTEM
#define LIBS_SYSTEM
#endif

/* Some m- files define this to request special libraries.  */
#ifndef LIBS_MACHINE
#define LIBS_MACHINE
#endif

/* Some s- files define this to request special switches in ld.  */
#ifndef LD_SWITCH_SYSTEM
#if defined (BSD) && !defined (COFF)
#define LD_SWITCH_SYSTEM -X
#else
#define LD_SWITCH_SYSTEM
#endif /* COFF, or not BSD */
#endif

/* Some m- files define this to request special switches in ld.  */
#ifndef LD_SWITCH_MACHINE
#define LD_SWITCH_MACHINE
#endif

/* Some m- files define this to request special switches in cc.  */
#ifndef C_SWITCH_MACHINE
#define C_SWITCH_MACHINE
#endif

#ifndef START_FILES
#ifdef NO_REMAP
#define START_FILES pre-crt0.o /lib/crt0.o
#else
#define START_FILES crt0.o
#endif
#endif /* have START_FILES */
STARTFILES = START_FILES

/* Unless inhibited or changed, use -g to compile for debugging.  */
#ifndef C_DEBUG_SWITCH
#define C_DEBUG_SWITCH -g
#endif

/* If user wants to optimize, this is how.  */
#ifndef C_OPTIMIZE_SWITCH
#define C_OPTIMIZE_SWITCH -O
#endif

/* cc switches needed to make `asm' keyword work.
   Nothing special needed on most machines.  */
#ifndef C_SWITCH_ASM
#define C_SWITCH_ASM
#endif

/* Specify address for ld to start loading at,
   if requested by configuration.  */

#ifdef LD_TEXT_START_ADDR
STARTFLAGS = -T LD_TEXT_START_ADDR -e LD_TEXT_START_ADDR
#endif

LDFLAGS = LD_SWITCH_SYSTEM LD_SWITCH_MACHINE

/* Figure out whether the system cpp can handle long names.
   Do it by testing it right now.
   If it loses, arrange to use the GNU cpp.  */

#define LONGNAMEBBBFOOX
#ifdef LONGNAMEBBBARFOOX
/* Installed cpp fails to distinguish those names!  */
/* Arrange to compile the GNU cpp later on */
#define NEED_CPP
/* Cause cc to invoke the cpp that comes with Emacs,
   which will be in a file named localcpp.  */
MYCPPFLAG= -Blocal
/* LOCALCPP is the local one or nothing.
   CPP is the local one or the standardone.  */
LOCALCPP= localcpp
#endif /* NEED_CPP */

#ifdef SHORTNAMES
SHORT= shortnames
#endif /* SHORTNAMES */

CFLAGS= C_DEBUG_SWITCH -Demacs $(MYCPPFLAG) C_SWITCH_MACHINE
/* DO NOT use -R.  There is a special hack described in lastfile.c
   which is used instead.  Some initialized data areas are modified
   at initial startup, then labeled as part of the text area when
   Emacs is dumped for the first time, and never changed again. */

/* You may replace C_DEBUG_SWITCH with C_OPTIMIZE_SWITCH
   if you don't believe in debugging. */

/* -Demacs is needed to make some files produce the
   correct version for use in Emacs.  */


#ifdef HAVE_X_WINDOWS
#ifdef HAVE_X_MENU
XOBJ= xterm.o xfns.o xmenu.o
LIBX= -lXMenu -lX
#else
XOBJ= xterm.o xfns.o
LIBX= -lX
#endif
#endif /* HAVE_X_WINDOWS */

#ifdef MAINTAIN_ENVIRONMENT
environobj = environ.o
#endif MAINTAIN_ENVIRONMENT

/* lastfile must follow all files
   whose initialized data areas should be dumped as pure by dump-emacs. */
obj=    dispnew.o scroll.o xdisp.o window.o \
	term.o cm.o $(XOBJ) \
	emacs.o keyboard.o macros.o keymap.o sysdep.o \
	buffer.o filelock.o insdel.o marker.o \
	minibuf.o fileio.o dired.o filemode.o \
	cmds.o casefiddle.o indent.o search.o regex.o undo.o \
	alloc.o data.o doc.o editfns.o callint.o \
	eval.o fns.o print.o lread.o \
	abbrev.o syntax.o unexec.o mocklisp.o bytecode.o \
	process.o callproc.o $(environobj) \
	doprnt.o

#ifdef TERMINFO
/* Used to be -ltermcap here.  If your machine needs that,
   define LIBS_TERMCAP in the m- file.  */
#ifndef LIBS_TERMCAP
#define LIBS_TERMCAP -lcurses
#endif
termcapobj = terminfo.o
#else
#ifndef LIBS_TERMCAP
#define LIBS_TERMCAP
termcapobj = termcap.o tparam.o
#else
termcapobj = tparam.o
#endif
#endif

#ifndef SYSTEM_MALLOC
#ifdef HAVE_ALLOCA
mallocobj = malloc.o
#else
mallocobj = alloca.o malloc.o
#endif
#endif

/* define otherobj as list of object files that make-docfile
   should not be told about.  */
otherobj= $(termcapobj) lastfile.o $(mallocobj)

/* List of Lisp files loaded into the dumped Emacs. */
lisp=	${lispdir}simple.elc ${lispdir}help.elc \
	${lispdir}files.elc ${lispdir}window.elc \
	${lispdir}indent.elc ${lispdir}loaddefs.el ${lispdir}paths.el \
	${lispdir}startup.elc ${lispdir}lisp.elc \
	${lispdir}page.elc ${lispdir}register.elc \
	${lispdir}paragraphs.elc ${lispdir}lisp-mode.elc \
	${lispdir}text-mode.elc ${lispdir}fill.elc \
	${lispdir}c-mode.elc ${lispdir}isearch.elc \
	${lispdir}replace.elc ${lispdir}abbrev.elc \
	${lispdir}buff-menu.elc ${lispdir}subr.elc

/* just to be sure the sh is used */
SHELL=/bin/sh

/* Construct full set of libraries to be linked.  */
LIBES = LIBS_SYSTEM LIBS_MACHINE LIBS_TERMCAP $(LIBX) LIBS_DEBUG LIB_STANDARD

/* Enable recompilation of certain other files depending on system type.  */

#ifndef OTHER_FILES
#define OTHER_FILES
#endif

/* Enable inclusion of object files in temacs depending on system type.  */
#ifndef OBJECTS_SYSTEM
#define OBJECTS_SYSTEM
#endif

#ifndef OBJECTS_MACHINE
#define OBJECTS_MACHINE
#endif

all: xemacs OTHER_FILES

xemacs: temacs ${etcdir}DOC ${lisp}
#ifdef CANNOT_DUMP
	mv temacs xemacs
#else
	./temacs -batch -l inc-vers
	./temacs -batch -l loadup.el dump
#endif /* not CANNOT_DUMP */

${etcdir}DOC: ${etcdir}make-docfile ${obj} ${lisp}
	rm -f ${etcdir}DOC
	${etcdir}make-docfile ${obj} ${lisp} ${lispdir}version.el > ${etcdir}DOC

${etcdir}make-docfile:
	cd ${etcdir}; make ${MFLAGS} make-docfile

#if defined(sequent)	/* for parallel make */
PARALLEL=&
#endif /* sequent */

temacs: $(PARALLEL) $(LOCALCPP) $(SHORT) $(STARTFILES) ${obj} ${otherobj} OBJECTS_SYSTEM OBJECTS_MACHINE
	ld ${STARTFLAGS} ${LDFLAGS} -o temacs ${STARTFILES} ${obj} ${otherobj} OBJECTS_SYSTEM OBJECTS_MACHINE ${LIBES}

/* These are needed for C compilation, on the systems that need them */
#ifdef NEED_CPP
CPP = ./localcpp
localcpp:
	cd ${cppdir}; make ${MFLAGS} EMACS=-DEMACS
	ln ${cppdir}cpp localcpp  /* Name where CFLAGS will refer to it */
/* cc appears to be cretinous and require all of these to exist
   if -B is specified -- we can't use one local pass and let the
   others be the standard ones.  What a loser.
   We can't even use ln, since they are probably
   on different disks.  */
	cp /lib/ccom localccom
	-cp /lib/optim localoptim
	-cp /lib/c2 localc2
	cp /bin/as localas
#else /* not NEED_CPP */
CPP = cc -E
#endif /* need NEED_CPP */

#ifdef SHORTNAMES
shortnames:
	cd ${shortnamesdir}; make ${MFLAGS}
#endif /* SHORTNAMES */

paths.h: paths.h-dist
	@sh -c "if test -r $@; then echo $? is newer than $@; exit 1;\
	  else exit 0; fi"
	cp $? $@

config.h: config.h-dist
	@sh -c "if test -r $@; then echo $? is newer than $@; exit 1;\
	  else exit 0; fi"
	cp $? $@

/* Some machines have alloca built-in.
   They should define HAVE_ALLOCA, or may just let alloca.s
   be used but generate no code.
   Some have it written in assembler in alloca.s.
   Some use the C version in alloca.c (these define C_ALLOCA in config.h).
   */

#ifdef C_ALLOCA
alloca.o : alloca.c
#else
#ifndef HAVE_ALLOCA
alloca.o : alloca.s config.h
/* $(CPP) is cc -E, which may get confused by filenames
   that do not end in .c.  So copy file to a safe name.  */
	cp alloca.s allocatem.c
	$(CPP) allocatem.c | \
/* remove any ^L, blank lines, and preprocessor comments,
   since some assemblers barf on them */
	sed -e 's///' -e 's/^#.*//' | \
	sed -n -e '/^..*$$/p' > alloca.t
	as -o alloca.o alloca.t
	rm alloca.t allocatem.c
#endif /* HAVE_ALLOCA */
#endif /* not C_ALLOCA */

/* Nearly all the following files depend on lisp.h,
   but it is not included as a dependency because
   it is so often changed in ways that do not require any recompilation
   and so rarely changed in ways that do require any.  */

abbrev.o : abbrev.c buffer.h commands.h config.h 
buffer.o : buffer.c syntax.h buffer.h commands.h window.h config.h 
callint.o : callint.c window.h commands.h buffer.h config.h 
callproc.o : callproc.c paths.h buffer.h commands.h config.h 
casefiddle.o : casefiddle.c syntax.h commands.h buffer.h config.h 
cm.o : cm.c cm.h termhooks.h config.h
cmds.o : cmds.c syntax.h buffer.h commands.h config.h 
crt0.o : crt0.c config.h
	$(CC) -c $(CFLAGS) C_SWITCH_ASM crt0.c
dired.o : dired.c commands.h buffer.h config.h 
dispnew.o : dispnew.c commands.h window.h buffer.h dispextern.h termchar.h termopts.h cm.h config.h
doc.o : doc.c config.h paths.h
doprnt.o : doprnt.c
editfns.o : editfns.c window.h buffer.h config.h 
emacs.o : emacs.c commands.h config.h 
#ifdef MAINTAIN_ENVIRONMENT
environ.o : environ.c buffer.h commands.h config.h
#endif MAINTAIN_ENVIRONMENT
fileio.o : fileio.c window.h buffer.h config.h 
filelock.o : filelock.c buffer.h paths.h config.h
filemode.o : filemode.c 
indent.o : indent.c window.h indent.h buffer.h config.h termchar.h termopts.h
insdel.o : insdel.c window.h buffer.h config.h 
keyboard.o : keyboard.c termchar.h termhooks.h termopts.h buffer.h commands.h window.h macros.h config.h 
keymap.o : keymap.c buffer.h commands.h config.h 
lastfile.o : lastfile.c 
macros.o : macros.c window.h buffer.h commands.h macros.h config.h
malloc.o : malloc.c config.h
marker.o : marker.c buffer.h config.h 
minibuf.o : minibuf.c syntax.h window.h buffer.h commands.h config.h 
mocklisp.o : mocklisp.c buffer.h config.h
process.o : process.c process.h buffer.h window.h termhooks.h commands.h config.h 
regex.o : regex.c syntax.h buffer.h config.h regex.h 
scroll.o : scroll.c termchar.h config.h dispextern.h
search.o : search.c regex.h commands.h buffer.h syntax.h config.h 
syntax.o : syntax.c syntax.h buffer.h commands.h config.h 
sysdep.o : sysdep.c config.h dispextern.h termhooks.h termchar.h termopts.h window.h
term.o : term.c termchar.h termhooks.h termopts.h config.h cm.h
termcap.o : termcap.c
terminfo.o : terminfo.c config.h
tparam.o : tparam.c
undo.o : undo.c buffer.h commands.h undo.h config.h 
unexec.o : unexec.c config.h
window.o : window.c indent.h commands.h window.h buffer.h config.h termchar.h
xdisp.o : xdisp.c macros.h commands.h indent.h buffer.h dispextern.h termchar.h window.h config.h 
xfns.o : xfns.c window.h config.h
xmenu.o : xmenu.c window.h config.h
xterm.o : xterm.c xterm.h dispextern.h config.h

/* The files of Lisp proper */

alloc.o : alloc.c window.h buffer.h config.h 
bytecode.o : bytecode.c buffer.h config.h 
data.o : data.c buffer.h config.h 
eval.o : eval.c commands.h config.h
fns.o : fns.c commands.h config.h
print.o : print.c process.h window.h buffer.h config.h 
lread.o : lread.c buffer.h paths.h config.h 

/* System-specific programs to be made.
   OTHER_FILES, OBJECTS_SYSTEM and OBJECTS_MACHINE
   select which of these should be compiled.  */

sunfns.o  : sunfns.c config.h

${etcdir}emacstool: ${etcdir}emacstool.c
	cd ${etcdir}; make ${MFLAGS} emacstool
